EP4034820A4 - Heated water recirculation control - Google Patents

Heated water recirculation control Download PDF

Info

Publication number
EP4034820A4
EP4034820A4 EP20869289.7A EP20869289A EP4034820A4 EP 4034820 A4 EP4034820 A4 EP 4034820A4 EP 20869289 A EP20869289 A EP 20869289A EP 4034820 A4 EP4034820 A4 EP 4034820A4
Authority
EP
European Patent Office
Prior art keywords
heated water
recirculation control
water recirculation
control
heated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20869289.7A
Other languages
German (de)
French (fr)
Other versions
EP4034820A1 (en
Inventor
Raheel A. Chaudhry
David I. Vega Fernandez
William T. Mclemore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheem Manufacturing Co
Original Assignee
Rheem Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheem Manufacturing Co filed Critical Rheem Manufacturing Co
Publication of EP4034820A1 publication Critical patent/EP4034820A1/en
Publication of EP4034820A4 publication Critical patent/EP4034820A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0078—Recirculation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/238—Flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/325—Control of valves of by-pass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/335—Control of pumps, e.g. on-off control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/042—Temperature sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/044—Flow sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/215—Temperature of the water before heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/242—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/305—Control of valves
    • F24H15/31—Control of valves of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/486—Control of fluid heaters characterised by the type of controllers using timers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6416—With heating or cooling of the system
    • Y10T137/6497—Hot and cold water system having a connection from the hot to the cold channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Water Supply & Treatment (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Cookers (AREA)
EP20869289.7A 2019-09-27 2020-09-25 Heated water recirculation control Pending EP4034820A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/586,047 US11846433B2 (en) 2019-09-27 2019-09-27 Heated water recirculation control
PCT/US2020/052611 WO2021062076A1 (en) 2019-09-27 2020-09-25 Heated water recirculation control

Publications (2)

Publication Number Publication Date
EP4034820A1 EP4034820A1 (en) 2022-08-03
EP4034820A4 true EP4034820A4 (en) 2023-10-18

Family

ID=75161858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20869289.7A Pending EP4034820A4 (en) 2019-09-27 2020-09-25 Heated water recirculation control

Country Status (7)

Country Link
US (1) US11846433B2 (en)
EP (1) EP4034820A4 (en)
CN (1) CN115003967A (en)
AU (1) AU2020354637A1 (en)
CA (1) CA3156006A1 (en)
MX (1) MX2022003348A (en)
WO (1) WO2021062076A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11384944B2 (en) * 2019-08-23 2022-07-12 Rinnai America Corporation Water heater with integrated building recirculation control
US20230116017A1 (en) * 2021-08-02 2023-04-13 Dale Lee Anderson Controlling hot water recirculation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090145490A1 (en) * 2007-08-07 2009-06-11 Donald Gregory Kershisnik Water conservation / hot water recirculation system utilizing timer and demand method
US20150354832A1 (en) * 2014-06-06 2015-12-10 Rinnai Corporation Hot water supply apparatus

Family Cites Families (26)

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Publication number Priority date Publication date Assignee Title
KR910000677B1 (en) * 1985-07-15 1991-01-31 도오도오 기기 가부시기가이샤 Multiple-purpose instantaneous gas water heater
US4896658A (en) * 1988-06-03 1990-01-30 Matsushita Electric Industrial Co., Ltd. Hot water supply system
US4936289A (en) * 1989-02-21 1990-06-26 Peterson George A Usage responsive hot water recirculation system
JPH06185806A (en) * 1992-12-14 1994-07-08 Mitsubishi Electric Corp Electric type concentrated hot water supplying system
US5564462A (en) * 1994-10-19 1996-10-15 Storch; Paul Water conservation delivery system using temperature-controlled by-pass circuit
US5829467A (en) * 1995-12-19 1998-11-03 Spicher; Vincent M. Residential hot water circulation system and associated method
RU2105247C1 (en) 1996-01-10 1998-02-20 Акционерное общество закрытого типа "НАМ и Ко" Boiler house
EP2146157A3 (en) 2001-08-13 2013-03-06 MicroHeat Technologies Pty Ltd. System and method for rapid heating of fluid
US20050006402A1 (en) * 2001-11-09 2005-01-13 Acker Larry K. Method of operating a plumbing system
US20100096018A1 (en) * 2008-02-27 2010-04-22 Wylie Jacob E Instant hot water delivery system
KR100985384B1 (en) * 2008-06-27 2010-10-05 주식회사 경동네트웍 Method for controlling a hot water temperature in using low flux in hot water supply system
CA2685787A1 (en) * 2008-11-18 2010-05-18 William J. Lund System and method for on demand hot water distribution
AU2013200596B2 (en) * 2012-03-22 2013-11-28 Rheem Australia Pty Limited A Circulating Hot Water System and or Appliance
US20140060660A1 (en) * 2012-08-29 2014-03-06 AquaMotion, Inc. Circulating system for providing instant hot water
US9063551B2 (en) * 2013-02-14 2015-06-23 Intellihot Green Technologies, Inc. Adaptive heating control system for a water heater
US20150053151A1 (en) * 2013-08-22 2015-02-26 Therm-O-Disc, Incorporated Fluid flow sensor and low flow cut-off device
US10907840B2 (en) * 2013-10-03 2021-02-02 Intellihot, Inc. On-demand tankless high volume capable water heating system
KR101620814B1 (en) * 2014-12-17 2016-05-12 주식회사 경동나비엔 Hot water supply apparatus
JP2016125692A (en) * 2014-12-26 2016-07-11 リンナイ株式会社 Hot water supply system
US20160223209A1 (en) * 2015-01-30 2016-08-04 Leridian Dynamics, Inc. Hot Water Recirculation Control Unit and Method
CN106940089A (en) * 2016-01-05 2017-07-11 青岛经济技术开发区海尔热水器有限公司 Water heater and its control method
KR101772956B1 (en) * 2016-01-25 2017-08-30 주식회사 경동나비엔 Hot water supply system having pre-heating function and the control method thereof
AU2018280129A1 (en) * 2017-06-06 2020-01-16 OhmIQ, Inc. Recirculating fluid heating systems
US10684023B2 (en) * 2017-07-19 2020-06-16 Rheem Manufacturing Company Water heaters with real-time hot water supply determination
RU182781U1 (en) 2017-10-24 2018-08-31 Михаил Павлович Богданов PORTABLE WATER HEATER
CN208671386U (en) 2018-07-19 2019-03-29 芜湖美的厨卫电器制造有限公司 Water heater

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090145490A1 (en) * 2007-08-07 2009-06-11 Donald Gregory Kershisnik Water conservation / hot water recirculation system utilizing timer and demand method
US20150354832A1 (en) * 2014-06-06 2015-12-10 Rinnai Corporation Hot water supply apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021062076A1 *

Also Published As

Publication number Publication date
US20210095866A1 (en) 2021-04-01
CA3156006A1 (en) 2021-04-01
EP4034820A1 (en) 2022-08-03
MX2022003348A (en) 2022-04-20
US11846433B2 (en) 2023-12-19
WO2021062076A1 (en) 2021-04-01
AU2020354637A1 (en) 2022-04-21
CN115003967A (en) 2022-09-02

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